Dennis Dugan: Dennis Dugan. Actor: Happy Gilmore. Dennis Barton Dugan is an American film director, actor, comedian and screenwriter from Wheaton, Illinois who directed several films featuring Adam Sandler including Happy Gilmore, Big Daddy, Jack & Jill, Grown Ups, I Now Pronounce You Chuck & Larry and You Don't Mess With the Zohan. He also directed Beverly Hills Ninja and The Benchwarmers.